*SUPPORT*
IN: lug fep kiki OUT: RED RED RED RED
IN: lug kiki OUT: RED RED
IN: gazzer fep kiki kiki OUT: BLUE BLUE BLUE BLUE BLUE BLUE BLUE BLUE
IN: tufa kiki kiki OUT: YELLOW YELLOW YELLOW YELLOW
IN: gazzer fep OUT: BLUE BLUE
IN: gazzer tufa kiki OUT: BLUE YELLOW BLUE YELLOW
IN: tufa OUT: YELLOW
IN: dax fep OUT: GREEN GREEN
IN: gazzer gazzer OUT: BLUE BLUE
IN: tufa lug OUT: YELLOW RED
IN: tufa zup dax OUT: YELLOW YELLOW GREEN
IN: lug zup tufa fep OUT: RED RED YELLOW YELLOW
IN: tufa gazzer kiki OUT: YELLOW BLUE YELLOW BLUE
IN: gazzer kiki OUT: BLUE BLUE

*QUERY*
IN: tufa fep OUT: YELLOW YELLOW
IN: dax lug fep OUT: GREEN RED RED
IN: lug zup dax fep OUT: RED RED GREEN GREEN
IN: dax dax kiki OUT: GREEN GREEN GREEN GREEN
IN: gazzer lug dax tufa lug dax OUT: BLUE RED GREEN YELLOW RED GREEN
IN: lug gazzer fep kiki OUT: RED BLUE BLUE RED BLUE BLUE
IN: lug OUT: RED
IN: tufa fep kiki OUT: YELLOW YELLOW YELLOW YELLOW
IN: gazzer zup dax OUT: BLUE BLUE GREEN
IN: lug fep OUT: RED RED

*GRAMMAR*
lug -> RED 
 gazzer -> BLUE 
 tufa -> YELLOW 
 dax -> GREEN 
 u1 fep -> [u1] [u1] 
 x1 zup x2 -> [x1] [x1] [x2] 
 x1 kiki -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 